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Симбиоз - это сосуществование двух различных организмов, приносящий пользу обоим или одному из них, но при этом не наносит вред другому.Гаметофит - это период жизни некоторых растений, развивающихся из спор, когда специальные клетки этих растений производят гаметы - половые клетки.
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Автор:
troy80 - 5 лет назад
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A20. 1) are considering 2) are considered 3) have considered 4) had been considering
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